/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package studio.raptor.sqlparser.ast.expr;

import java.io.Serializable;
import studio.raptor.sqlparser.ast.SQLExpr;
import studio.raptor.sqlparser.ast.SQLExprImpl;
import studio.raptor.sqlparser.visitor.SQLASTVisitor;

public class SQLBetweenExpr extends SQLExprImpl implements Serializable {

  private static final long serialVersionUID = 1L;
  public SQLExpr testExpr;
  public SQLExpr beginExpr;
  public SQLExpr endExpr;
  private boolean not;

  public SQLBetweenExpr() {

  }

  public SQLBetweenExpr(SQLExpr testExpr, SQLExpr beginExpr, SQLExpr endExpr) {
    setTestExpr(testExpr);
    setBeginExpr(beginExpr);
    setEndExpr(endExpr);
  }

  public SQLBetweenExpr(SQLExpr testExpr, boolean not, SQLExpr beginExpr, SQLExpr endExpr) {
    this(testExpr, beginExpr, endExpr);
    this.not = not;
  }

  protected void accept0(SQLASTVisitor visitor) {
    if (visitor.visit(this)) {
      acceptChild(visitor, this.testExpr);
      acceptChild(visitor, this.beginExpr);
      acceptChild(visitor, this.endExpr);
    }
    visitor.endVisit(this);
  }

  public SQLExpr getTestExpr() {
    return this.testExpr;
  }

  public void setTestExpr(SQLExpr testExpr) {
    if (testExpr != null) {
      testExpr.setParent(this);
    }
    this.testExpr = testExpr;
  }

  public boolean isNot() {
    return this.not;
  }

  public void setNot(boolean not) {
    this.not = not;
  }

  public SQLExpr getBeginExpr() {
    return this.beginExpr;
  }

  public void setBeginExpr(SQLExpr beginExpr) {
    if (beginExpr != null) {
      beginExpr.setParent(this);
    }
    this.beginExpr = beginExpr;
  }

  public SQLExpr getEndExpr() {
    return this.endExpr;
  }

  public void setEndExpr(SQLExpr endExpr) {
    if (endExpr != null) {
      endExpr.setParent(this);
    }
    this.endExpr = endExpr;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((beginExpr == null) ? 0 : beginExpr.hashCode());
    result = prime * result + ((endExpr == null) ? 0 : endExpr.hashCode());
    result = prime * result + (not ? 1231 : 1237);
    result = prime * result + ((testExpr == null) ? 0 : testExpr.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    SQLBetweenExpr other = (SQLBetweenExpr) obj;
    if (beginExpr == null) {
      if (other.beginExpr != null) {
        return false;
      }
    } else if (!beginExpr.equals(other.beginExpr)) {
      return false;
    }
    if (endExpr == null) {
      if (other.endExpr != null) {
        return false;
      }
    } else if (!endExpr.equals(other.endExpr)) {
      return false;
    }
    if (not != other.not) {
      return false;
    }
    if (testExpr == null) {
      if (other.testExpr != null) {
        return false;
      }
    } else if (!testExpr.equals(other.testExpr)) {
      return false;
    }
    return true;
  }
}
